Finding the Fourth Proportional to 2,674.15, 4,010.19 and 918.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674.15 : 4,010.19 = 918.82 : x
2. Step 2: Convert to fraction form
   2,674.15/4,010.19 = 918.82/x
3. Step 3: Cross multiply
   2,674.15x = 4,010.19 × 918.82
4. Step 4: Simplify right side
   2,674.15x = 3,684,642.78
5. Step 5: Solve for x
   x = 3,684,642.78/2,674.15
6. Step 6: Final answer
   x = 1,377.88